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Tension and Angular Velocity Concepts

Tension and Angular Velocity Concepts

Assessment

Interactive Video

Physics, Mathematics, Science

10th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the concepts of uniform circular motion, focusing on a particle moving on a smooth table attached to a fixed point by a light, inelastic string. It covers the calculation of tension in the string and finding the maximum angular velocity the particle can have without breaking the string. Key equations and concepts such as angular velocity, linear velocity, and tension are discussed in detail.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the term 'smooth table' in the context of this problem?

It indicates that the table is made of glass.

It means that friction can be ignored.

It suggests that the table is perfectly level.

It implies that the table is very large.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the string described as 'light' in this problem?

To suggest that it is made of a special material.

To show that its weight does not affect the forces involved.

To indicate that it is very thin.

To imply that it is easy to handle.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 'inelastic' mean in the context of the string?

The string is very flexible.

The string is made of rubber.

The string can stretch and contract.

The string cannot change its length.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to find the tension in the string during circular motion?

T = m * a

T = m * v^2 / r

T = m * r * omega^2

T = m * g

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between angular velocity (omega) and linear velocity (v)?

v = omega / r

v = omega * r

v = omega - r

v = omega + r

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you substitute angular velocity with linear velocity in calculations?

By using the formula v = omega * r

By using the formula omega = v / r

By using the formula omega = r / v

By using the formula v = r / omega

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the tensile strength of the string in terms of mass?

20 kilograms

15 kilograms

25 kilograms

10 kilograms

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